Tools
Free utilities from Keep. Quick tools for developers, creators, and anyone working with content online.
ChatGPT to Markdown converter
Turn ChatGPT conversations into portable Markdown for notes, Git, AI agents, and long-term memory.
ChatGPT to PDF converter
Convert one ChatGPT conversation or a full export into clean, private PDF files in your browser.
Export ChatGPT conversations
Search a ChatGPT data export and download selected conversations as Markdown, PDF, clean JSON, or plain text.
PDF to Markdown converter
Convert a PDF into clean Markdown for Claude, ChatGPT, coding agents, or notes. Copy the result or download a .md file.
llms.txt validator
Check your llms.txt file against the spec. Paste or point at a URL to get line-by-line errors, token counts, and a sibling llms-full.txt report.
Markdown for Agents checker
Paste any URL and get nine pass or fail checks for AI agent readiness. Content negotiation, .md variants, HTML and HTTP alternate links, plus llms.txt and MCP discovery.
Token counter
Count the LLM tokens in text you paste or in any webpage. Pick a model to see how much of its context window you fill, and compare the raw HTML cost of a page to the Markdown version.
YouTube video ID finder + embed URL
Paste any YouTube watch URL, youtu.be share link, or Shorts URL to get the 11-character video ID, embed URL, iframe code, and thumbnail URLs.
OPML viewer and validator
Paste or drop an OPML file to preview every RSS feed it carries, check the file parses cleanly, and download a normalized copy.
AI text cleaner
Strip emdashes, curly quotes, invisible Unicode, and Markdown formatting from ChatGPT, Claude, or Gemini output.
LinkedIn text formatter
Turn plain text into bold, italic, underlined, or monospace Unicode for LinkedIn posts, headlines, and profiles.
URL cleaner
Strip UTM tags, fbclid, gclid, igshid, and other tracking parameters from any link. Bulk mode supported.
URL to Markdown
Convert any webpage into clean, AI-ready Markdown. Title, body, headings, and links preserved. Nav and ads stripped.
YouTube channel ID finder + RSS feed
Paste a YouTube URL, @handle, or video link to get the channel ID and the RSS feed URL ready to drop into any feed reader.
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